<?php
// var_dump(`cd ..
// ls
// composer config -g repo.packagist composer https://mirrors.aliyun.com/composer/
// composer show
// composer --version
// composer update`);



// $command = [
//     'ls -al',
//     'cd ..
//     ls
//     composer update
//     composer show
//     ',
   

// ];
// foreach($command as $key=>$val){
//     // echo '<pre>'.var_dump(`$val`).'</pre>';
//     // $output = `$val`;
//     $output = shell_exec($val);
//     echo "<pre>$output</pre>";
// }



$week = date("N",strtotime('2021-04-12'));
halt($week);
function halt($data)
{
    echo "<pre>$data</pre>";
}
?>